Oklahoma senator and former MMA fighter Mullin sold his family's plumbing business in 2021 to fully commit to politics.
In private, he has suggested, according to three people, that he has performed dangerous security work on behalf of the US government in the Middle East, Axios writes. However, there is no public information to confirm the statement.
The Department of Homeland Security (DHS) is at the center of President Donald Trump's plans for mass deportations. It was previously led by Kristi Noem, who will now be special envoy.
